Energy harvesting device based on wave energy
US-12516652-B2 · Jan 6, 2026 · US
Piezoelectric means
Piezoelectric means · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F05B2220/709 |
| Official title | Piezoelectric means |
| Display label | Piezoelectric means |
| Total patents | 38 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 5 |
| 2020 | 2 |
| 2021 | 3 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for energy harvest
US-2025297592-A1 · Sep 25, 2025 · US
Renewable hybrid turbine system with piezoelectric and solar integration
US-12404830-B1 · Sep 2, 2025 · US
Mangrove inspired structures for energy harvesting
US-2025207556-A1 · Jun 26, 2025 · US
Systems and methods for energy harvest
US-12326133-B2 · Jun 10, 2025 · US
Energy harvesting apparatus
US-2025116255-A1 · Apr 10, 2025 · US
Energy harvesting apparatus
US-2025119075-A1 · Apr 10, 2025 · US
Dual-rotor microfluidic energy capturing and power generating device based on piezoelectric effect
US-12126280-B2 · Oct 22, 2024 · US
Control system for wind energy harvester arrays
US-2024200532-A1 · Jun 20, 2024 · US
Dual-rotor microfluidic energy capturing and power generating device based on piezoelectric effect
US-2024178767-A1 · May 30, 2024 · US
Systems and methods for energy harvest
US-2024125295-A1 · Apr 18, 2024 · US
Wind turbine rotor blade
US-2024110543-A1 · Apr 4, 2024 · US
Systems and methods for energy harvest
US-11719219-B2 · Aug 8, 2023 · US
Funnel-shaped underwater energy harvesting equipment
US-11637510-B2 · Apr 25, 2023 · US
Energy harvesting device based on wave energy
US-2023124108-A1 · Apr 20, 2023 · US
Device and method for swinging power generation and vibration suppression by using arc-shaped wing plates with rough surfaces
US-11306695-B2 · Apr 19, 2022 · US
Actuating and sensing module
US-11125224-B2 · Sep 21, 2021 · US
Device and method for swinging power generation and vibration suppression by using arc-shaped wing plates with rough surfaces
US-2021239087-A1 · Aug 5, 2021 · US
Power generating system using current around structural body
US-10920746-B2 · Feb 16, 2021 · US
Funnel-shaped underwater energy harvesting equipment
US-2020313575-A1 · Oct 1, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F05B2220/709?
- CPC F05B2220/709 is the Cooperative Patent Classification code for “Piezoelectric means.”
- How many patents are filed under CPC F05B2220/709 (Piezoelectric means)?
- Our database includes 38 publications tagged with this CPC code.
- Is patent activity under CPC F05B2220/709 growing?
- Publication counts under this code: 5 in 2024 vs 6 in 2025 (latest complete years).